Flight Check

Best Airline: DFW to MIA

Dallas to Miami — airline reliability comparison

Spirit Airlines is the most reliable airline on the DFW to MIA route with a 76% on-time rate, compared to Frontier Airlines at 59%. Based on 1,450 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Spirit Airlines76%
American Airlines71%
Frontier Airlines59%

DFW to MIA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest76%2.1%71m1,450
American AirlinesAA71%1.8%73m14,416
Frontier AirlinesF9Worst59%3.0%94m741

Route Overview

70%
Overall On-Time
75m
Avg Delay
1.9%
Cancel Rate
16,623
Total Flights
DFW to MIA Route DetailsReturn: MIA to DFW
DFW AirportMIA Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.